Components

SparkFun

DC Barrel Jack Adapter - Male (PRT-10287)

SparkFun

SoftPot Membrane Potentiometer - 50mm (SEN-08680)

Sparkfun Electronics

Thumb Joystick - Deluxe

Cool Components

Big Dome Push Button - Yellow with Clear Case Rim

SparkFun

Breakout Board for MCP4725 I2C DAC (BOB-12918)

SparkFun

Real Time Clock Module (BOB-12708)

Generic / OEM

5-way Tactile Switch

Generic / OEM

Switch - 4 Way, DIP

Generic / OEM

Cold 2-Wire Splice (UY) - Two-way Butt Splice

Adafruit

Anodized Aluminum Machined Knob - 20mm Diameter

SparkFun

LilyPad LED Blue (5pcs) (DEV-10045)

Cool Components

Tactile Buttons x4

SparkFun

16 Output I/O Expander Breakout - SX1509 (BOB-13601)

SparkFun

Breakout Board for Thumb Joystick (BOB-09110)

Generic / OEM

Microswitch - SPDT

SparkFun

Button Pad 4x4 - LED Compatible (COM-07835)

Cool Components

Raspberry Pi Zero 2 Micro USB plug to USB-A socket Adapter

SparkFun

Button Pad 2x2 - Breakout PCB (COM-09277)

Pololu

5V Step-Up/Step-Down Voltage Regulator w/ Adjustable Low-Voltage Cutoff S9V11F5S6CMA

Generic / OEM

LED - Yellow 3mm

SparkFun

PCA9306 Level Translator Breakout (BOB-11955)

TowerPro

MG90D Digital Metal Gear Servo

Generic / OEM

Transistor - PNP (2N3906)

MULTICOMP

Polarised Electrolytic Capacitor 100 µF 16V